OpenTechnical

OT-2026-000044166

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000044166) never changes.

Identity and time

Publication numberOT-2026-000044166 · never reused
Internal UUID01a0ae7b-d67b-7d89-88fe-dbe62073618c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044166
StatusPUBLIC

Content hashes

Canonical text3e197a1043217a8278810f03ba3b2f9cf78610327145ecf1431d3dab5da5b71e
Markdown8671dc748e84042fd63f5cf7f4165e157a7bd65fef7bbf28044628ecab952e71
PDF
Publication pagebfb958da85380d4e1558db676de37b4f3a9d6af4914bacd3f9116d1e238bd6cf
Manifest246b0d976f95d44b9de20ed44b220f5cf518243c7905cf99478cd543d4ea140c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturefsavulezVND/LwHAEcdvHwg44DbM8SbbCkvV/GRGN0AyZGRaFnYVZthY+EyI4fw/Emd24++g2HCRKFYt8jkzCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:35.812962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044166
observed bfb958da85380d4e1558db676de37b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.792890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044166/manifest.json
observed 246b0d976f95d44b9de20ed44b220f5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.772780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044166/publication.md
observed 8671dc748e84042fd63f5cf7f4165e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.752530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044166/publication.txt
observed 3e197a1043217a8278810f03ba3b2f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.